Seriously shut the fuck up.You're are ruining that gun. Match grade rifles need frequent cleaning especially since it's the dirty round of .22lr. If you let your guns go that long you either don't like your guns or just lazy. Br shooters clean after every card and there's a very good reason for that.
Its clear the OP does not know how to season a barrel. If he did, it wouldn't look this clean. He needs to put about 1K down the tube before its seasoned. The only thing you need to clean out is the carbon ring with Boretech C4. Anything that attacks lead or lubricant is going to fuck up the seasoning up.
You do not need to clean the bore. Just clean the chamber every other match or so to keep carbon ring down, Clean the bolt face every 100 rounds or so to ensure feeding and that's it.
Since its clear there are enough people posting who don't even know how to break in/season a .22 barrel: https://www.thetruthaboutguns.com/a-guide-to-22lr-barrel-care-for-the-precision-rimfire-shooter/